2018-075 - Final Subsequent Environmental IMpact Report No. 2018-15

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City of Santa Ana Mitigation Monitoring and Reporting Program Mitigation construction Implementing Mitigation Measure No. Mitigation Measure Monitoring Party Party Timing MM -OZ 4.9-6 Prior to issuance of building permits, building plans shall specify the STC rating Planning and Project Prior to of windows and doors for all residential land uses. Window and door ratings Building Agency applicant issuance of shall be sufficient to reduce the interior noise level to a CNEL of 45 dBA or less, common areas (playgrounds, pool areas, etc.). As a result, it may not be building and shall be determined by a qualified acoustical consultant as part of the final common area is included within the Droiect. permits engineering design of the project. MM -OZ 4.9-7 The developer shall provide proper shielding for all new HVAC systems used by Planning and Project During the proposed residential and mixed use buildings to achieve an attenuation of Building Agency applicant project 15 dBA at 50 feet from the equipment. design and MM -TRA -2 Prior to project occupancy, the applicant shall construct the improvements Planning and Planning and Prior to listed below or pay a fair-share/local fee to cover the Elan Project's fair share of Building Building issuance of the full construction costs needed to implement these mitigation measures. Agency/Public Agency/Public occupancy These mitigation shall be installed prior to 2040, as the projected facilities are Works Works permit forecasted to be affected. I-5 northbound ramps at Fourth Street: Widen and/or restripe Fourth Street to provide a second exclusive westbound right -turn lane. Modify the existing traffic signal for signing and striping improvements accordingly. This improvement is subject to the review and approval of Caltrans. SR -55 northbound ramps at Fourth Street: Widen and/or restripe Fourth Street to provide an exclusive westbound (free) right -turn lane. Restripe to convert the third eastbound through lane to a second eastbound left -turn lane. Modify the existing traffic signal for signing and striping Metro East Mixed -Use Overlay District Expansion and Elan Development Projects 34 August 2018 ICF 00019.18 construction MM-NOI-1 Where future residential uses would be constructed in areas exposed to noise, Planning and Project Prior to exterior noise control shall be provided as necessary to comply with the City's Building Agency applicant issuance of exterior noise guideline of 65 dB CNEL, as specified in the Noise Element of the building General Plan. The noise control requirements, if any, shall be determined by a permits qualified acoustical consultant as part of the final engineering design of the project and shall be included on the building plans prior to issuance of building permits. It is noted that exterior living space for multi -family developments may be provided as a combination of private space (patios, balconies, etc.) and common areas (playgrounds, pool areas, etc.). As a result, it may not be necessary to provide noise control at all private areas, provided sufficient common area is included within the Droiect. MM -TRA -2 Prior to project occupancy, the applicant shall construct the improvements Planning and Planning and Prior to listed below or pay a fair-share/local fee to cover the Elan Project's fair share of Building Building issuance of the full construction costs needed to implement these mitigation measures. Agency/Public Agency/Public occupancy These mitigation shall be installed prior to 2040, as the projected facilities are Works Works permit forecasted to be affected. I-5 northbound ramps at Fourth Street: Widen and/or restripe Fourth Street to provide a second exclusive westbound right -turn lane. Modify the existing traffic signal for signing and striping improvements accordingly. This improvement is subject to the review and approval of Caltrans. SR -55 northbound ramps at Fourth Street: Widen and/or restripe Fourth Street to provide an exclusive westbound (free) right -turn lane. Restripe to convert the third eastbound through lane to a second eastbound left -turn lane. Modify the existing traffic signal for signing and striping Metro East Mixed -Use Overlay District Expansion and Elan Development Projects 34 August 2018 ICF 00019.18